Cvitek Video Codec Driver

This document describes the binding for Cvitek Video Codec.

Required properties:
- compatible: should be one of the following
  - "cvitek,vcodec"
  - "cvitek,cv1822-fpga-vcodec"
  - "cvitek,cv1822-fpga-jpeg"
- reg: vcodec register regions
- interrupts: vcodec interrupt number
